Upper portion of a flat panel monitor stand support arm



FIG. 1 is a front perspective view of an upper portion of a flat panel monitor stand support arm showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for an upper portion of a flat panel monitor stand support arm, as shown and described. 